Winfred Nthambi

I am a detail-oriented data and finance professional with hands-on experience in data annotation, content evaluation, and audio transcription for machine learning workflows. I have annotated and labeled text datasets, evaluated AI-generated responses for accuracy and safety, and classified digital content to improve model performance.

I consistently follow detailed task instructions and annotation frameworks to ensure dataset consistency, maintain productivity targets, and adhere to strict quality controls in remote environments. My transcription work focuses on producing accurate, time-aligned transcripts suitable for speech recognition training and downstream text processing.

I bring strong analytical reasoning, fact-checking, and quality assurance skills to every project, with proficiency in Microsoft Excel and Google Sheets and a commitment to guideline compliance and data integrity.